1" Assab 17 No.S4 Parting Blade

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Made of high cobalt alloy high speed steel, ASSAB 17 is well-known worldwide for its excellent cutting properties, wear resistance, toughness and heat resistance. Its hardness has been carefully adjusted to 67-69 Rockwell C to give each ASSAB 17 tool bit optimal properties for its field of applications. High-Co-based high-speed steel. No.S4